Harken accessories are designed to make standard blocks more versatile or fill a special need. Sail Chafe Protectors, use 339 to ease genoas over lifelines or past shrouds and to help large roach mainsails clear backstays.
Part Number: 339
|A||1 1/16"||27 mm|
|RH Fasteners||# 10||5 mm|
Need help to design your Harken system - take a look here for the Harken System Guides and Drawings
Or perhaps you need some other information (load calculators, block selectors, service instructions or manuals)? Take a look here for all the official Harken Support Information